Question

what is nitrogen?why plants need nitrogen for growth,how nitrogen help them.

Answer 1

Nitrogen is a component of chlorophyll and therefore essential for photosynthesis. It is also a basic element of plant and animal proteins.

Answer 2

Answer:

here's the answer:-

Nitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins. Without proteins, plants wither and die.